Finding the Fourth Proportional to 3,914,201,842.08, 5,401,599,421.49 and 2,154,069,250.08
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Solution
The fourth proportional to 3,914,201,842.08, 5,401,599,421.49 and 2,154,069,250.08 is: 2,972,616,049.07
Step by Step Solution
- Step 1: Write the proportion equation
3,914,201,842.08 : 5,401,599,421.49 = 2,154,069,250.08 : x - Step 2: Convert to fraction form
3,914,201,842.08/5,401,599,421.49 = 2,154,069,250.08/x - Step 3: Cross multiply
3,914,201,842.08x = 5,401,599,421.49 × 2,154,069,250.08 - Step 4: Simplify right side
3,914,201,842.08x = 11,635,419,215,070,754,816 - Step 5: Solve for x
x = 11,635,419,215,070,754,816/3,914,201,842.08 - Step 6: Final answer
x = 2,972,616,049.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.